KDP only allows this selection on eBooks, and you will edit or update your manuscript until 72 hours in advance of your book’s release day. Royalty fees for self publishing with Amazon KDP vary from 35% to 70% for ebooks, based on your book’s pricing. Royalties are typically compensated out https://maplepublishers.com/blog/4-mandatory-services-you-need-before-self-publishing-a-book/